Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778486 | Laser module, optical head and optical information recording and reproducing apparatus | Susumu Tachibana, Kazuo Shigematsu, Hideo Taguchi, Shigeru Nakamura, Tetsuya Tomobe | 2004-08-17 |
| 6714506 | Method and apparatus for optical head and optical information reproducing | Shigeru Nakamura, Kazuo Shigematsu | 2004-03-30 |